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1111144450 = 252131709453
BaseRepresentation
bin100001000111010…
…1011100000000010
32212102210222122011
41002032223200002
54233423110300
6302131403134
736351400123
oct10216534002
92772728564
101111144450
115202372a9
122701534aa
13149283430
14a780004a
1567837eba
hex423ab802

1111144450 has 24 divisors (see below), whose sum is σ = 2225709108. Its totient is φ = 410268480.

The previous prime is 1111144427. The next prime is 1111144451. The reversal of 1111144450 is 544411111.

It can be written as a sum of positive squares in 6 ways, for example, as 483692049 + 627452401 = 21993^2 + 25049^2 .

It is not an unprimeable number, because it can be changed into a prime (1111144451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 854077 + ... + 855376.

Almost surely, 21111144450 is an apocalyptic number.

1111144450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111144450 is an abundant number, since it is smaller than the sum of its proper divisors (1114564658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111144450 is a wasteful number, since it uses less digits than its factorization.

1111144450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709478 (or 1709473 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 1111144450 is about 33333.8334129155. The cubic root of 1111144450 is about 1035.7545277156.

Adding to 1111144450 its reverse (544411111), we get a palindrome (1655555561).

The spelling of 1111144450 in words is "one billion, one hundred eleven million, one hundred forty-four thousand, four hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 1709453 3418906 8547265 17094530 22222889 42736325 44445778 85472650 111114445 222228890 555572225 1111144450